diff options
Diffstat (limited to 'core/src/fxge/skia/fx_skia_device.cpp')
| -rw-r--r-- | core/src/fxge/skia/fx_skia_device.cpp | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/core/src/fxge/skia/fx_skia_device.cpp b/core/src/fxge/skia/fx_skia_device.cpp deleted file mode 100644 index 9938298c12..0000000000 --- a/core/src/fxge/skia/fx_skia_device.cpp +++ /dev/null @@ -1,426 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include "core/include/fxge/fx_ge.h" - -#if defined(_SKIA_SUPPORT_) -#include "core/include/fxcodec/fx_codec.h" - -#include "core/src/fxge/agg/fx_agg_driver.h" -#include "core/src/fxge/skia/fx_skia_device.h" - -#include "SkCanvas.h" -#include "SkDashPathEffect.h" -#include "SkPaint.h" -#include "SkPath.h" - -static SkPath BuildPath(const CFX_PathData* pPathData, - const CFX_Matrix* pObject2Device) { - SkPath skPath; - const CFX_PathData* pFPath = pPathData; - int nPoints = pFPath->GetPointCount(); - FX_PATHPOINT* pPoints = pFPath->GetPoints(); - for (int i = 0; i < nPoints; i++) { - FX_FLOAT x = pPoints[i].m_PointX; - FX_FLOAT y = pPoints[i].m_PointY; - if (pObject2Device) - pObject2Device->Transform(x, y); - int point_type = pPoints[i].m_Flag & FXPT_TYPE; - if (point_type == FXPT_MOVETO) { - skPath.moveTo(x, y); - } else if (point_type == FXPT_LINETO) { - skPath.lineTo(x, y); - } else if (point_type == FXPT_BEZIERTO) { - FX_FLOAT x2 = pPoints[i + 1].m_PointX, y2 = pPoints[i + 1].m_PointY; - FX_FLOAT x3 = pPoints[i + 2].m_PointX, y3 = pPoints[i + 2].m_PointY; - if (pObject2Device) { - pObject2Device->Transform(x2, y2); - pObject2Device->Transform(x3, y3); - } - skPath.cubicTo(x, y, x2, y2, x3, y3); - i += 2; - } - if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) - skPath.close(); - } - return skPath; -} - -// convert a stroking path to scanlines -void CFX_SkiaDeviceDriver::PaintStroke(SkPaint* spaint, - const CFX_GraphStateData* pGraphState) { - SkPaint::Cap cap; - switch (pGraphState->m_LineCap) { - case CFX_GraphStateData::LineCapRound: - cap = SkPaint::kRound_Cap; - break; - case CFX_GraphStateData::LineCapSquare: - cap = SkPaint::kSquare_Cap; - break; - default: - cap = SkPaint::kButt_Cap; - break; - } - SkPaint::Join join; - switch (pGraphState->m_LineJoin) { - case CFX_GraphStateData::LineJoinRound: - join = SkPaint::kRound_Join; - break; - case CFX_GraphStateData::LineJoinBevel: - join = SkPaint::kBevel_Join; - break; - default: - join = SkPaint::kMiter_Join; - break; - } - FX_FLOAT width = pGraphState->m_LineWidth; - - if (pGraphState->m_DashArray) { - int count = (pGraphState->m_DashCount + 1) / 2; - SkScalar* intervals = FX_Alloc2D(SkScalar, count, sizeof(SkScalar)); - // Set dash pattern - for (int i = 0; i < count; i++) { - FX_FLOAT on = pGraphState->m_DashArray[i * 2]; - if (on <= 0.000001f) - on = 1.f / 10; - FX_FLOAT off = i * 2 + 1 == pGraphState->m_DashCount - ? on - : pGraphState->m_DashArray[i * 2 + 1]; - if (off < 0) - off = 0; - intervals[i * 2] = on; - intervals[i * 2 + 1] = off; - } - spaint - ->setPathEffect(SkDashPathEffect::Create(intervals, count * 2, - pGraphState->m_DashPhase)) - ->unref(); - } - spaint->setStyle(SkPaint::kStroke_Style); - spaint->setAntiAlias(TRUE); - spaint->setStrokeWidth(width); - spaint->setStrokeMiter(pGraphState->m_MiterLimit); - spaint->setStrokeCap(cap); - spaint->setStrokeJoin(join); -} - -CFX_SkiaDeviceDriver::CFX_SkiaDeviceDriver(CFX_DIBitmap* pBitmap, - int dither_bits, - FX_BOOL bRgbByteOrder, - CFX_DIBitmap* pOriDevice, - FX_BOOL bGroupKnockout) { - m_pAggDriver = new CFX_AggDeviceDriver(pBitmap, dither_bits, bRgbByteOrder, - pOriDevice, bGroupKnockout); - SkBitmap skBitmap; - const CFX_DIBitmap* bitmap = m_pAggDriver->m_pBitmap; - SkImageInfo imageInfo = - SkImageInfo::Make(bitmap->GetWidth(), bitmap->GetHeight(), - kN32_SkColorType, kOpaque_SkAlphaType); - skBitmap.installPixels(imageInfo, bitmap->GetBuffer(), bitmap->GetPitch(), - nullptr, /* to do : set color table */ - nullptr, nullptr); - m_canvas = new SkCanvas(skBitmap); -} - -CFX_SkiaDeviceDriver::~CFX_SkiaDeviceDriver() { -#if 0 // TODO(caryclark) : mismatch on allocator ? - delete m_canvas; -#endif - delete m_pAggDriver; -} - -FX_BOOL CFX_SkiaDeviceDriver::DrawDeviceText(int nChars, - const FXTEXT_CHARPOS* pCharPos, - CFX_Font* pFont, - CFX_FontCache* pCache, - const CFX_Matrix* pObject2Device, - FX_FLOAT font_size, - FX_DWORD color, - int alpha_flag, - void* pIccTransform) { - return m_pAggDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, - pObject2Device, font_size, color, - alpha_flag, pIccTransform); -} - -int CFX_SkiaDeviceDriver::GetDeviceCaps(int caps_id) { - return m_pAggDriver->GetDeviceCaps(caps_id); -} - -void CFX_SkiaDeviceDriver::SaveState() { - m_canvas->save(); - m_pAggDriver->SaveState(); -} - -void CFX_SkiaDeviceDriver::RestoreState(FX_BOOL bKeepSaved) { - m_pAggDriver->RestoreState(bKeepSaved); - m_canvas->restore(); -} - -void CFX_SkiaDeviceDriver::SetClipMask( - agg::rasterizer_scanline_aa& rasterizer) { - m_pAggDriver->SetClipMask(rasterizer); -} - -FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathFill( - const CFX_PathData* pPathData, // path info - const CFX_Matrix* pObject2Device, // optional transformation - int fill_mode // fill mode, WINDING or ALTERNATE - ) { - if (!m_pAggDriver->m_pClipRgn) { - m_pAggDriver->m_pClipRgn = new CFX_ClipRgn( - GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); - } - - if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) { - CFX_FloatRect rectf; - if (pPathData->IsRect(pObject2Device, &rectf)) { - rectf.Intersect( - CFX_FloatRect(0, 0, (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH), - (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT))); - FX_RECT rect = rectf.GetOutterRect(); - m_pAggDriver->m_pClipRgn->IntersectRect(rect); - return TRUE; - } - } - SkPath clip = BuildPath(pPathData, pObject2Device); - clip.setFillType((fill_mode & 3) == FXFILL_WINDING - ? SkPath::kWinding_FillType - : SkPath::kEvenOdd_FillType); - const CFX_Matrix& m = *pObject2Device; -#if 0 - // TODO(caryclark) : don't clip quite yet - // need to understand how to save/restore to balance the clip - printf("m:(%g,%g,%g) (%g,%g,%g)\n", m.a, m.b, m.c, m.d, m.e, m.f); - clip.dump(); - SkMatrix skMatrix; - skMatrix.setAll(m.a, m.b, m.c, m.d, m.e, m.f, 0, 0, 1); - m_canvas->setMatrix(skMatrix); - m_canvas->clipPath(clip, SkRegion::kReplace_Op); -#endif - - return TRUE; -} - -FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathStroke( - const CFX_PathData* pPathData, // path info - const CFX_Matrix* pObject2Device, // optional transformation - const CFX_GraphStateData* pGraphState // graphic state, for pen attributes - ) { - if (!m_pAggDriver->m_pClipRgn) { - m_pAggDriver->m_pClipRgn = new CFX_ClipRgn( - GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); - } - - // build path data - SkPath skPath = BuildPath(pPathData, NULL); - skPath.setFillType(SkPath::kWinding_FillType); - - SkPaint spaint; - PaintStroke(&spaint, pGraphState); - SkPath dst_path; - spaint.getFillPath(skPath, &dst_path); -#if 01 - SkMatrix skMatrix; - const CFX_Matrix& m = *pObject2Device; - skMatrix.setAll(m.a, m.b, m.c, m.d, m.e, m.f, 0, 0, 1); - m_canvas->setMatrix(skMatrix); - // TODO(caryclark) : don't clip quite yet - // need to understand how to save/restore so that clip is later undone - m_canvas->clipPath(dst_path, SkRegion::kReplace_Op); -#endif - return TRUE; -} - -FX_BOOL CFX_SkiaDeviceDriver::RenderRasterizer( - agg::rasterizer_scanline_aa& rasterizer, - FX_DWORD color, - FX_BOOL bFullCover, - FX_BOOL bGroupKnockout, - int alpha_flag, - void* pIccTransform) { - return m_pAggDriver->RenderRasterizer( - rasterizer, color, bFullCover, bGroupKnockout, alpha_flag, pIccTransform); -} - -FX_BOOL CFX_SkiaDeviceDriver::DrawPath( - const CFX_PathData* pPathData, // path info - const CFX_Matrix* pObject2Device, // optional transformation - const CFX_GraphStateData* pGraphState, // graphic state, for pen attributes - FX_DWORD fill_color, // fill color - FX_DWORD stroke_color, // stroke color - int fill_mode, // fill mode, WINDING or ALTERNATE. 0 for not filled - int alpha_flag, - void* pIccTransform, - int blend_type) { - if (!GetBuffer()) - return TRUE; - SkIRect rect; - rect.set(0, 0, GetDeviceCaps(FXDC_PIXEL_WIDTH), - GetDeviceCaps(FXDC_PIXEL_HEIGHT)); - SkPath skPath = BuildPath(pPathData, pObject2Device); - SkPaint spaint; - spaint.setAntiAlias(TRUE); - if ((fill_mode & 3) && fill_color) { - skPath.setFillType((fill_mode & 3) == FXFILL_WINDING - ? SkPath::kWinding_FillType - : SkPath::kEvenOdd_FillType); - - spaint.setStyle(SkPaint::kFill_Style); - spaint.setColor(fill_color); - m_canvas->drawPath(skPath, spaint); - } - int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag) - ? FXGETFLAG_ALPHA_STROKE(alpha_flag) - : FXARGB_A(stroke_color); - - if (pGraphState && stroke_alpha) { - spaint.setColor(stroke_color); - PaintStroke(&spaint, pGraphState); - m_canvas->drawPath(skPath, spaint); - } - - return TRUE; -} - -FX_BOOL CFX_SkiaDeviceDriver::SetPixel(int x, - int y, - FX_DWORD color, - int alpha_flag, - void* pIccTransform) { - return m_pAggDriver->SetPixel(x, y, color, alpha_flag, pIccTransform); -} - -FX_BOOL CFX_SkiaDeviceDriver::FillRect(const FX_RECT* pRect, - FX_DWORD fill_color, - int alpha_flag, - void* pIccTransform, - int blend_type) { - SkPaint spaint; - spaint.setAntiAlias(true); - spaint.setColor(fill_color); - - m_canvas->drawRect( - SkRect::MakeLTRB(pRect->left, pRect->top, pRect->right, pRect->bottom), - spaint); - return TRUE; -} - -FX_BOOL CFX_SkiaDeviceDriver::GetClipBox(FX_RECT* pRect) { - return m_pAggDriver->GetClipBox(pRect); -} - -FX_BOOL CFX_SkiaDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap, - int left, - int top, - void* pIccTransform, - FX_BOOL bDEdge) { - return m_pAggDriver->GetDIBits(pBitmap, left, top, pIccTransform, bDEdge); -} - -FX_BOOL CFX_SkiaDeviceDriver::SetDIBits(const CFX_DIBSource* pBitmap, - FX_DWORD argb, - const FX_RECT* pSrcRect, - int left, - int top, - int blend_type, - int alpha_flag, - void* pIccTransform) { - return m_pAggDriver->SetDIBits(pBitmap, argb, pSrcRect, left, top, blend_type, - alpha_flag, pIccTransform); -} - -FX_BOOL CFX_SkiaDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource, - FX_DWORD argb, - int dest_left, - int dest_top, - int dest_width, - int dest_height, - const FX_RECT* pClipRect, - FX_DWORD flags, - int alpha_flag, - void* pIccTransform, - int blend_type) { - return m_pAggDriver->StretchDIBits(pSource, argb, dest_left, dest_top, - dest_width, dest_height, pClipRect, flags, - alpha_flag, pIccTransform, blend_type); -} - -FX_BOOL CFX_SkiaDeviceDriver::StartDIBits(const CFX_DIBSource* pSource, - int bitmap_alpha, - FX_DWORD argb, - const CFX_Matrix* pMatrix, - FX_DWORD render_flags, - void*& handle, - int alpha_flag, - void* pIccTransform, - int blend_type) { - return m_pAggDriver->StartDIBits(pSource, bitmap_alpha, argb, pMatrix, - render_flags, handle, alpha_flag, - pIccTransform, blend_type); -} - -FX_BOOL CFX_SkiaDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) { - return m_pAggDriver->ContinueDIBits(pHandle, pPause); -} - -void CFX_SkiaDeviceDriver::CancelDIBits(void* pHandle) { - m_pAggDriver->CancelDIBits(pHandle); -} - -CFX_SkiaDevice::CFX_SkiaDevice() { - m_bOwnedBitmap = FALSE; -} - -FX_BOOL CFX_SkiaDevice::Attach(CFX_DIBitmap* pBitmap, - int dither_bits, - FX_BOOL bRgbByteOrder, - CFX_DIBitmap* pOriDevice, - FX_BOOL bGroupKnockout) { - if (!pBitmap) - return FALSE; - SetBitmap(pBitmap); - CFX_SkiaDeviceDriver* pDriver = new CFX_SkiaDeviceDriver( - pBitmap, dither_bits, bRgbByteOrder, pOriDevice, bGroupKnockout); - SetDeviceDriver(pDriver); - return TRUE; -} - -FX_BOOL CFX_SkiaDevice::Create(int width, - int height, - FXDIB_Format format, - int dither_bits, - CFX_DIBitmap* pOriDevice) { - m_bOwnedBitmap = TRUE; - CFX_DIBitmap* pBitmap = new CFX_DIBitmap; - if (!pBitmap->Create(width, height, format)) { - delete pBitmap; - return FALSE; - } - SetBitmap(pBitmap); - CFX_SkiaDeviceDriver* pDriver = - new CFX_SkiaDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE); - SetDeviceDriver(pDriver); - return TRUE; -} - -CFX_SkiaDevice::~CFX_SkiaDevice() { - if (m_bOwnedBitmap && GetBitmap()) - delete GetBitmap(); -} - -#if 0 -#include <stdarg.h> -#include <stdio.h> - -void SkDebugf(const char format[], ...) { - va_list args; - va_start(args, format); - vfprintf(stderr, format, args); - va_end(args); -} - -#endif - -#endif |